Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

48°F

9°C

Humidity 71%
Wind Speed S 8 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 May 2:54 am EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm.  Mostly cloudy, with a high near 66. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. South wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm.  High near 63. East wind 8 to 11 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Patchy fog before 9pm. Low around 48. Northeast wind 3 to 6 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 56. Northeast wind 6 to 9 mph.  Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. Southwest wind 6 to 11 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Southwest wind 6 to 9 mph.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
A slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 66. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 52. South wind 6 to 13 mph, with gusts as high as 24 mph.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 63. East wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Patchy fog before 9pm. Low around 48. Northeast wind 3 to 6 mph. Chance of precipitation is 80%.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 56. Northeast wind 6 to 9 mph. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 48. Light and variable wind.
Saturday
Sunny, with a high near 77. Southwest wind 6 to 11 mph.
Saturday Night
Mostly clear, with a low around 58. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 82. West wind 7 to 11 mph.
Sunday Night
Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77. Light northeast wind becoming east 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 56. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
12:35 am EDT May 13, 2026
3am EDT May 13, 2026-6pm EDT May 19, 2026
 
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Additional Resources

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